College life presents unique challenges for many young adults. Moreover, the transition often uncovers deep links between ADHD and internalizing symptoms, such as anxiety and depression. Researchers recently conducted a time-series investigation to explore these daily interactions. Specifically, they used ecological momentary assessment (EMA) data from 151 students over 28 days. The findings suggest that certain symptoms act as early warning signs for worsening mental health.

Temporal Links in ADHD and Internalizing Symptoms

The study found that specific ADHD symptoms predict next-day emotional distress. For instance, increases in difficulty unwinding and difficulty concentrating predicted higher anxiety levels the following day. Conversely, elevated anxiety symptoms also led to increased ADHD symptoms the next day, creating a bidirectional cycle. In addition, putting things off until the last minute strongly predicted next-day depressive symptoms. Furthermore, the study noted that increases in depression symptoms predicted a later increase in restlessness, such as often leaving one's seat.

Clinical Implications for Young Adult Management

Contemporaneous results highlighted that difficulty unwinding and difficulty concentrating had the strongest relations with same-day anxiety and depression. Therefore, clinicians should monitor daily fluctuations in focus and relaxation during patient assessments. Additionally, interventions targeting procrastination may significantly reduce the risk of major depressive episodes in students. These temporal relations highlight specific targets for clinical intervention. Finally, these insights help specify microlevel assessments for better long-term patient outcomes.

Frequently Asked Questions

What are internalizing symptoms in the context of ADHD?

Internalizing symptoms refer to emotional struggles that occur within an individual, primarily anxiety and depression. In adults with ADHD, these symptoms often coexist due to the chronic stress of managing executive dysfunction and academic demands.

How does procrastination affect depression in college students?

The study indicates that "putting things off until the last minute" is a temporal predictor of major depressive symptoms. This suggests that the inability to initiate tasks may drive feelings of hopelessness or failure the following day.

Which ADHD symptoms most strongly predict next-day anxiety?

Difficulty unwinding and difficulty concentrating were found to be the most consistent predictors of next-day generalized anxiety symptoms. Managing these specific symptoms may help break the cycle of worsening anxiety.

Disclaimer: This content is for informational and educational purposes only and does not constitute medical advice, diagnosis, or treatment. Always seek the advice of a qualified healthcare provider with any questions regarding a medical condition. Refer to the latest local and national guidelines for clinical practice.

References

Goh PK et al. An intensive time-series investigation of day-to-day relations between attention-deficit/hyperactivity disorder and internalizing symptoms in college students. J Psychopathol Clin Sci. 2026 May 14. doi: 10.1037/abn0001142. PMID: 42133388.

American Psychiatric Association. Diagnostic and Statistical Manual of Mental Disorders. 5th ed. Text Revision. Washington, DC: American Psychiatric Association; 2022.

National Institute of Mental Health. Attention-Deficit/Hyperactivity Disorder in Adults: What You Need to Know. [Online]. Available from: https://www.nimh.nih.gov [Accessed 14th May 2026].